Home / 331,531.16-497,300.22-265,391.73

Finding the Fourth Proportional to 331,531.16, 497,300.22 and 265,391.73

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Solution

The fourth proportional to 331,531.16, 497,300.22 and 265,391.73 is: 398,090.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,531.16 : 497,300.22 = 265,391.73 : x
  2. Step 2: Convert to fraction form
    331,531.16/497,300.22 = 265,391.73/x
  3. Step 3: Cross multiply
    331,531.16x = 497,300.22 × 265,391.73
  4. Step 4: Simplify right side
    331,531.16x = 131,979,365,715.18
  5. Step 5: Solve for x
    x = 131,979,365,715.18/331,531.16
  6. Step 6: Final answer
    x = 398,090.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.